Results 81 to 90 of about 110,780 (192)
The brittleness prediction of shale formations is of interest to researchers nowadays. Conventional methods of brittleness prediction are usually based on isotropic models while shale is anisotropic.
Ke-Ran Qian+5 more
doaj +1 more source
Shale problems and water-based drilling fluid optimisation in the Hassi Messaoud Algerian oil field [PDF]
Drilling fluid formulation and properties play a fundamental role in drilling operations. Clay minerals behave initially as a beneficial rheological adjuvant in drilling muds.
Benmounah, Abdelbaki+6 more
core +2 more sources
The Occurrence of Oil Shale Among the Jurassic Rocks of Raasay and Skye 1 [PDF]
Leonora Rinwul, Evelyn Baxter
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Scientific drilling of the Boltysh impact crater, Ukraine [PDF]
Introduction: The Boltysh crater has been known for several decades and was first drilled in the 1960s as part of a study of economic oil shale deposits. Unfortunately, the cores were not curated and have been lost.
Gilmour, I.+3 more
core
Volume fracturing of deep shale gas horizontal wells
Deep shale gas reservoirs buried underground with depth being more than 3500 m are characterized by high in-situ stress, large horizontal stress difference, complex distribution of bedding and natural cracks, and strong rock plasticity.
Tingxue Jiang+6 more
doaj +1 more source
Notes on the fossil spores in an oil-shale from Tasmania. [PDF]
TCN Singh
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Casing deformation seriously affects the fracturing progress and stimulation effect of shale gas reservoirs. Considering casing deformations in fractured deep shale gas wells in the Luzhou block of southern Sichuan Basin, the influences of micro ...
Cheng Shen+4 more
doaj
Contributions to economic geology, 1917, Part II, Mineral fuels-- Phosphatic oil shales near Dell and Dillon, Beaverhead County, Montana [PDF]
C.F. Bowen
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